* {
    margin: 0;
    padding: 0;
}

ul {
    list-style: none;
}

a {
    color: #333;
    text-decoration: none;
}

/* .app {
    color: burlywood;
background-color: aqua;
} */

.app .nav {
    width: 500px;
    height: 50px;
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-around;
}